{"url_path":"/sec/nwe/8-k/2026-05-18/item-9-01","section_key":"item-9-01","section_title":"Item 9.01 Financial Statements and Exhibits.","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-05-18","source_url":"https://www.sec.gov/Archives/edgar/data/1993004/0001993004-26-000035-index.html","accession_number":"0001993004-26-000035","cik":"0001993004","ticker":"NWE","issuer_name":"NorthWestern Energy Group, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1993004/0001993004-26-000035-index.html","primary_entity_key":"0001993004","primary_entity_name":"NorthWestern Energy Group, Inc."},"word_count":87,"has_tables":true,"body_markdown":"Item 9.01    Financial Statements and Exhibits.\n\nExhibit No.Description of Document\n\n[99.1*](exh991agafin26.htm)\nAGA Financial Conference Presentation, dated May 18, 2026\n\n104Cover Page Interactive Data File – the cover page XBRL tags are embedded within the Inline XBRL document\n\n* filed herewith\n\nSignatures\n\nPursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.\n\nNorthWestern Energy Group, Inc. \n\nBy:/s/ Timothy P. Olson\n\nTimothy P. Olson \n\nCorporate Secretary \n\nDate: May 18, 2026"}